Annual report pursuant to Section 13 and 15(d)

Orion Office REIT, Organization (Details)

v3.22.4
Orion Office REIT, Organization (Details)
$ / shares in Units, ft² in Millions, $ in Millions
Nov. 12, 2021
USD ($)
Dec. 31, 2022
ft²
state
property
$ / shares
Dec. 31, 2021
$ / shares
Real Estate Properties [Line Items]      
Distributions to realty income | $ $ 595.0    
Common stock, par value (in dollars per share) | $ / shares   $ 0.001 $ 0.001
Number of Properties | property   81  
Area of real estate property | ft²   9.5  
Number of states with real estate properties owned | state   29  
Arch Street Joint Venture      
Real Estate Properties [Line Items]      
Number of Properties | property   6  
Area of real estate property | ft²   1.0  
Number of states with real estate properties owned | state   6